Analyze the following financial ratios, using tables and graphs where appropriate for the last 1-5 years of Berkshire Hathaway Inc. (indicate and cite the source of your information).

-Liquidity (current ratio, quick ratio)

-Operating performance ratio (days of sales in Inventory, Days of sales outstanding, Days of payables outstanding), Receivables Turnover, Inventory Turnover, Fixed Assets Turnover, Total Assets Turnover).

-Profitability ratios (Gross Profit Margin, Operating Profit Margin, Net Profit Margin).

-Return on Investment ratios: (ROA, ROE).

From the analysis of the above ratios, answer the following questios:

1). how liquid is the company- Berkshire Hathaway?

2). Is management generating a substantial profit on the company assets?

3). If the management of the company would like to improve the company's financial performance, what should the management of htis company do?